Retaining wall block



FIG. 1 is a perspective view showing the front, top, and right side of my new retaining wall block;

FIG. 2 is a perspective view showing the rear, top, and left side thereof;

FIG. 3 is the left side view thereof;

FIG. 4 is the right side view thereof;

FIG. 5 is a front view thereof;

FIG. 6 is a back view thereof;

FIG. 7 is the top view thereof; and,

FIG. 8 is the bottom view thereof. 

CLAIM The ornamental design for a retaining wall block, as shown and described. 